Alert archive / Mississippi / Special Weather Statements in 2021

Special Weather Statement, NWS Memphis, TN

August 1, 2021Monroe County, Mississippi

NWS Memphis, TN issued this special weather statement at Aug 1, 2021, 7:01 PM CDT for Monroe County, Mississippi. It was in force for 14 min. No storm report in the archive falls inside the area while it was in force.

The area

The outline as issued.

The facts

Issued
Aug 1, 2021, 7:01 PM CDT (00:01 UTC)
Expired
Aug 1, 2021, 7:15 PM CDT
In force
14 min
Issued by
NWS Memphis, TN

County Monroe County, MS

The radar

The Columbus AFB radar (KGWX), 27 km from the middle of the area, began a volume at 00:00 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

The nearest sounding before it

Birmingham, AL (KBMX), launched 00:00Z, 0.0 hours before the alert went out and 167 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Birmingham, AL at 00:00Z on 2021-08-02Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 941 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Birmingham, AL at 00:00Z on 2021-08-02The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 6 square meters per square second.1939Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
941 J/kg
Mixed-layer CIN
-57 J/kg
Mixed-layer LCL
1260 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
6 m²/s²
0-3 km storm-relative helicity
15 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

310 
WWUS84 KMEG 020001
SPSMEG

Special Weather Statement
National Weather Service Memphis TN
701 PM CDT Sun Aug 1 2021
 
MSZ024-020015-
Monroe MS-
701 PM CDT Sun Aug 1 2021

...A SIGNIFICANT WEATHER ADVISORY HAS BEEN ISSUED UNTIL 715 PM CDT
FOR...

Southwestern Monroe County in northeastern Mississippi...

At 700 PM CDT...a strong thunderstorm producing pea size hail or 
larger and winds up to 40 mph was located near Prairie, or 7 miles 
north of West Point, moving south at 5 mph.

Very heavy rain along with continuous cloud to ground lightning are
also possible with this thunderstorm.

People in southwestern Monroe County should monitor this storm
closely.

LAT...LON 3367 8850 3367 8849 3368 8850 3368 8872
      3382 8872 3375 8834 3371 8834 3368 8837
      3369 8839 3368 8840 3367 8842 3368 8843
      3366 8846 3366 8850 3365 8851
TIME...MOT...LOC 0000Z 002DEG 6KT 3372 8864 

$$

Nearby

Special Weather Statements in Mississippi, 2021Every special weather statement in 2021

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.